Hemoglobin is a protein inside red blood cells that carries oxygen throughout the body. A hemoglobin test reveals how much hemoglobin is in a person’s blood, helping to diagnose and monitor anemia and polycythemia vera.
Purpose
A hemoglobin test is done when a person is ill or during a general physical examination. Good health requires an adequate [...]
An otoscope is a hand-held instrument with a tiny light and a cone-shaped attachment called an ear speculum, which is used to examine the ear canal. An ear examination is a normal part of most physical examinations by a doctor or nurse. It is also done when an ear infection or other type of ear [...]
There has been great interest in the fish oil effect on the brain – both in preventing disease and boosting brain power.
Studies have shown, for instance, that DHA can reduce the formation of plaques in the brain; these have been linked to Alzheimer’s disease and dementia. Too little omega-3 has been linked to mild depression, [...]
Scientists have confirmed that the healthful substances found in green tea — renowned for their powerful antioxidant and disease-fighting properties — do penetrate into tissues of the eye. Their new report, the first documenting how the lens, retina, and other eye tissues absorb these substances, raises the possibility that green tea may protect against glaucoma [...]
New research from Queen Mary, University of London and Harvard Medical School has revealed precisely why taking fish oils can help with conditions like rheumatoid arthritis.
In a paper published in Nature October 28, researchers describe how the body converts an ingredient found in fish oils into another chemical called Resolvin D2 and how this chemical [...]